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TaxonomyBrowseInfoImagesLinksBooksData
Photo#260099
Tibicen lyricen - Neotibicen lyricen

Tibicen lyricen - Neotibicen lyricen
Fuquay-Varina, Wake County, North Carolina, USA
Collected and photographed by Bill Reynolds, NC Museum of Natural Sciences, dates 2005-2008.
DSCN3208A

These cicadas exemplify the typical dark coloration seen in the Fall-line Hills and Lower Piedmont Plateau of Central North Carolina. Some may possess bright coloration on the pronotum and in the center of the mesonotum, but few - one thus far - seem to have the richly colored lateral fulvous areas on the mesonotum.

The fulvous coloration typical of some T. lyricen populations shows up with greater frequency south and east of here in both the Sandhills and upper edge of the Coastal Plain. This trait becomes increasingly pronounced in specimens collected along the lower coastal plain and in those from habitats closer to the coast.

Populations of T. lyricen from higher elevations in NC are typically very dark and characteristically more akin to var. engelhardti; however, even in these populations, individuals can be found that are quite colorful and similar in appearance to those frequenting lower elevations.

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Examples from this locality


Additional examples from this locality

Moved
Moved from Lyric Cicada.

green?
I hadn't seen any photos of these insects with green markings, like those of T. tibicen (=chloromerus) but more restricted in extent, as in your Alabama populations. Could this represent introgression between populations?

 
Introgression is unlikely
Due to more extreme behavioral and morphological characters, I don't think introgression is likely - esp. between T. tibicen (chloromerus) & T. lyricen.

With regards to Tibicen lyricen, this species is highly variable in both color and pattern. There also appear to be "several distinct population groupings" (subspecies, races and/or clinal variations) with evidence of transitionals. North Carolina has populations of both the "eastern lyric cicada" and the "coastal lyric cicada"; the latter characterized by more greens on both the pronotum and mesonotum than seen in many of the more inland populations of conspecifics.

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Gene Exchange: There does appear to be some interspecific hybridization and possible introgression among several other Tibicen species/taxa.

especially among the following:
Tibicen pruinosus
Tibicen winnemana
Tibicen linnei
Tibicen canicularis
Tibicen robinsonianus (possibly??)
Thought by some to be a hybrid, here across much of the eastern US, there is no evidence to support this notion. The taxon, T. robinsonianus, functions as a distinct and stable species across most of its known US range. To date, there is no evidence to suggest that robinsonians blends with any of the taxa above, but included here because of it's relative similarity and potential.

Moved
Moved from Cicadas.

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